ENGCOM-3580: [Backport] Adding integration tests for wrong captcha #19427

 - Merge Pull Request #19427 from eduard13/magento2:2.2-develop-19183-bp
 - Merged commits:
   1. 21cf0d5

Author: magento-engcom-team

dev/tests/integration/testsuite/Magento/Captcha/Observer/CaseCheckOnFrontendUnsuccessfulMessageWhenCaptchaFailedTest.php

@@ -0,0 +1,118 @@
+<?php
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+namespace Magento\Captcha\Observer;
+
+use Magento\Framework\Data\Form\FormKey;
+use Magento\Framework\Message\MessageInterface;
+use Magento\TestFramework\Request;
+use Magento\TestFramework\TestCase\AbstractController;
+
+/**
+ * Test captcha observer behavior
+ *
+ * @magentoAppArea frontend
+ */
+class CaseCheckOnFrontendUnsuccessfulMessageWhenCaptchaFailedTest extends AbstractController
+{
+    /**
+     * Test incorrect captcha on customer login page
+     *
+     * @magentoDbIsolation enabled
+     * @magentoAppIsolation enabled
+     * @magentoConfigFixture default_store customer/captcha/enable 1
+     * @magentoConfigFixture default_store customer/captcha/forms user_login
+     * @magentoConfigFixture default_store customer/captcha/mode always
+     */
+    public function testLoginCheckUnsuccessfulMessageWhenCaptchaFailed()
+    {
+        /** @var FormKey $formKey */
+        $formKey = $this->_objectManager->get(FormKey::class);
+        $post = [
+            'login' => [
+                'username' => 'dummy@dummy.com',
+                'password' => 'dummy_password1',
+            ],
+            'captcha' => ['user_login' => 'wrong_captcha'],
+            'form_key' => $formKey->getFormKey(),
+        ];
+
+        $this->prepareRequestData($post);
+
+        $this->dispatch('customer/account/loginPost');
+
+        $this->assertRedirect($this->stringContains('customer/account/login'));
+        $this->assertSessionMessages(
+            $this->equalTo(['Incorrect CAPTCHA']),
+            MessageInterface::TYPE_ERROR
+        );
+    }
+
+    /**
+     * Test incorrect captcha on customer forgot password page
+     *
+     * @codingStandardsIgnoreStart
+     * @magentoConfigFixture current_store customer/password/limit_password_reset_requests_method 0
+     * @magentoConfigFixture default_store customer/captcha/enable 1
+     * @magentoConfigFixture default_store customer/captcha/forms user_forgotpassword
+     * @magentoConfigFixture default_store customer/captcha/mode always
+     */
+    public function testForgotPasswordCheckUnsuccessfulMessageWhenCaptchaFailed()
+    {
+        $post = ['email' => 'dummy@dummy.com'];
+        $this->prepareRequestData($post);
+
+        $this->dispatch('customer/account/forgotPasswordPost');
+
+        $this->assertRedirect($this->stringContains('customer/account/forgotpassword'));
+        $this->assertSessionMessages(
+            $this->equalTo(['Incorrect CAPTCHA']),
+            MessageInterface::TYPE_ERROR
+        );
+    }
+
+    /**
+     * Test incorrect captcha on customer create account page
+     *
+     * @codingStandardsIgnoreStart
+     * @magentoConfigFixture current_store customer/password/limit_password_reset_requests_method 0
+     * @magentoConfigFixture default_store customer/captcha/enable 1
+     * @magentoConfigFixture default_store customer/captcha/forms user_create
+     * @magentoConfigFixture default_store customer/captcha/mode always
+     */
+    public function testCreateAccountCheckUnsuccessfulMessageWhenCaptchaFailed()
+    {
+        /** @var FormKey $formKey */
+        $formKey = $this->_objectManager->get(FormKey::class);
+        $post = [
+            'firstname' => 'Firstname',
+            'lastname' => 'Lastname',
+            'email' => 'dummy@dummy.com',
+            'password' => 'TestPassword123',
+            'password_confirmation' => 'TestPassword123',
+            'captcha' => ['user_create' => 'wrong_captcha'],
+            'form_key' => $formKey->getFormKey(),
+        ];
+        $this->prepareRequestData($post);
+
+        $this->dispatch('customer/account/createPost');
+
+        $this->assertRedirect($this->stringContains('customer/account/create'));
+        $this->assertSessionMessages(
+            $this->equalTo(['Incorrect CAPTCHA']),
+            MessageInterface::TYPE_ERROR
+        );
+    }
+
+    /**
+     * @param array $postData
+     * @return void
+     */
+    private function prepareRequestData($postData)
+    {
+        $this->getRequest()->setMethod(Request::METHOD_POST);
+        $this->getRequest()->setPostValue($postData);
+    }
+}